CN114320433A - Coal mine dust removal method - Google Patents
Coal mine dust removal method Download PDFInfo
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- CN114320433A CN114320433A CN202111413368.7A CN202111413368A CN114320433A CN 114320433 A CN114320433 A CN 114320433A CN 202111413368 A CN202111413368 A CN 202111413368A CN 114320433 A CN114320433 A CN 114320433A
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Abstract
The application provides a coal mine dust removal method, which comprises the steps of obtaining the particle size of mine dust in an air duct; dividing the air duct into a plurality of dust falling sections along the wind direction according to the particle size of mine dust; acquiring the wind speed in the dust settling section; spray the dust remover in to the dust fall section to the direction of spraying and the volume of spraying of dust remover are adjusted according to wind speed and mine dust particle diameter in the dust fall section, with the distance that reduces mine dust and move along the wind direction in the wind channel, the advantage that this application and prior art compare had is: through spraying the dust remover to the wind channel in, realize the dust fall to the wind channel in, avoid the diffusion of mine dust, and adjust the direction of spraying and the volume of spraying of dust remover through wind speed and mine dust particle diameter, can adapt to the mine dust of different wind speeds and different particle diameters when making the dust remover spray, effectively improved dust removal quality and efficiency when reducing the dust removal cost.
Description
Technical Field
The application relates to the technical field of dust removal, in particular to a coal mine dust removal method.
Background
Mine dust refers to a general name of various rock and ore particles generated in mine construction and production processes, and the mine dust can not only harm human health and damage production equipment, but also explode under certain conditions, so that a dust remover is generally required to be sprayed in an air duct to remove dust and dirt based on the great harmfulness of the mine dust.
At present, most of dust removing agents are sprayed at fixed angles and fixed spraying amounts, the wind speeds at different positions in an air channel are different, and the particle sizes of mine dust are different, so that the spraying of the dust removing agents cannot be adjusted when facing the mine dust with different wind speeds and different particle sizes, the waste of the dust removing agents is caused, the distance of the mine dust moving along the wind direction is too large, and the dust removing effect is poor.
Disclosure of Invention
The present application is directed to solving, at least to some extent, one of the technical problems in the related art.
Therefore, the application aims to provide a coal mine dust removal method.
In order to achieve the aim, the coal mine dust removal method comprises the steps of obtaining the particle size of mine dust in an air duct; dividing the air duct into a plurality of dust falling sections along the wind direction according to the particle size of the mine dust; acquiring the wind speed in the dust falling section; and spraying a dedusting agent into the dust falling section, and adjusting the spraying direction and the spraying amount of the dedusting agent according to the wind speed and the particle size of the mine dust in the dust falling section so as to reduce the distance of the mine dust moving in the air channel along the wind direction.
The regulation of the spraying direction and the spraying amount of the dedusting agent according to the wind speed and the mine dust particle size in the dust fall section comprises the following steps: setting an included angle between the spraying direction of the dedusting agent and the wind direction to be not less than 90 degrees, wherein the included angle is in direct proportion to the wind speed and the included angle is in direct proportion to the particle size of the mine dust in a first logic relation; adjusting the spraying direction of the dedusting agent according to the first logic relation; setting a second logic relation that the spraying amount of the dedusting agent is in direct proportion to the wind speed and the spraying amount of the dedusting agent is in inverse proportion to the particle size of the mine dust; and adjusting the spraying amount of the dedusting agent according to the second logic relation.
The spraying amount of the dedusting agent is 20L/min-30L/min.
The spraying direction of the dedusting agent and the wind direction form an included angle of 90-135 degrees.
The dust removing agent spraying into the dust fall section comprises: a spray head is arranged in the dust settling section; connecting the spray head with a hydraulic source; and enabling the spray head to spray the dedusting agent to the dust settling section through the hydraulic source.
The regulation of the spraying direction and the spraying amount of the dedusting agent according to the wind speed and the mine dust particle size in the dust fall section comprises the following steps: arranging an adjusting piece on the spray head; the spraying direction of the dedusting agent is manually or automatically adjusted through the adjusting piece.
The regulation of the spraying direction and the spraying amount of the dedusting agent according to the wind speed and the mine dust particle size in the dust fall section comprises the following steps: a flow meter is arranged between the spray head and the hydraulic source; and adjusting the spraying amount of the dedusting agent through the flow meter.
The wind channel is divided into a plurality of dust fall sections along the wind direction according to the mine dust particle size, and the dust fall sections comprise: dividing an air duct section with the particle size of mine dust being more than 15 micrometers into a first dust falling section; dividing an air duct section with the particle size of mine dust not greater than 15 micrometers and not less than 5 micrometers into a second dust falling section; and dividing the air duct section with the particle size of the mine dust being less than 5 micrometers into a third dust falling section.
The acquiring of the particle size of the mine dust in the air duct comprises the following steps: a plurality of mine dust particle size analyzers are arranged in the air duct along the wind direction; or a mineral dust particle size analyzer is arranged in the air duct and moves along the wind direction; and detecting the particle size of the mineral dust in the air duct by the mineral dust particle size analyzer.
The acquiring the wind speed in the dustfall section comprises: wind speed sensors are respectively arranged in the dust falling sections; and acquiring the wind speed in the dust falling section through the wind speed sensor.
After adopting above-mentioned technical scheme, this application compares advantage that has with prior art: through spraying the dust remover to the wind channel in, realize the dust fall to the wind channel in, avoid the diffusion of mine dust, and adjust the direction of spraying and the volume of spraying of dust remover through wind speed and mine dust particle diameter, can adapt to the mine dust of different wind speeds and different particle diameters when making the dust remover spray, effectively improved dust removal quality and efficiency when reducing the dust removal cost.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
The foregoing and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic flow chart of a coal mine dust removal method according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a dust removing device according to an embodiment of the present application;
FIG. 3 is a schematic structural diagram of an air duct provided in a coal mine dust removal method according to an embodiment of the present application;
as shown in the figure: 1. the device comprises an air duct, 11, a first dust-settling section, 12, a second dust-settling section, 13, a third dust-settling section, 2, a spray head, 3, a regulating part, 4, a flow meter, 5, a wind speed sensor, 6, a mineral dust particle size analyzer, 7, a controller, 8, a liquid storage tank, 9 and a power pump.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application. On the contrary, the embodiments of the application include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.
As shown in fig. 2, the embodiment of the present application provides a dust removing device, which includes a nozzle 2, an adjusting member 3, a hydraulic source, a flow meter 4, an air velocity sensor 5, a mineral dust particle size analyzer 6, and a controller 7.
Wherein, regulating part 3 is fixed to be set up in wind channel 1, and shower nozzle 2 is fixed to be set up on regulating part 3, and the inlet of shower nozzle 2 communicates with the liquid outlet of hydraulic pressure source, and flowmeter 4 sets up between the inlet of shower nozzle 2 and the liquid outlet intercommunication of hydraulic pressure source, and air velocity transducer 5 sets up in wind channel 1, and mine dust particle size analyzer 6 sets up in wind channel 1, and controller 7 is connected with hydraulic pressure source, air velocity transducer 5 and mine dust particle size analyzer 6 electricity respectively.
It can be understood that, make shower nozzle 2 spray the dust remover in wind channel 1 through the hydraulic pressure source, realize the dust fall to in the wind channel 1, can adjust the direction of spraying of dust remover through regulating part 3, can adjust the spraying volume of dust remover through flowmeter 4 to can adapt to the mine dust of different wind speeds and different particle diameters, effectively improved dust removal quality and efficiency when reducing the dust removal cost.
In some embodiments, regulating part 3 is including design metal collapsible tube, and the fixed setting in the top in wind channel 1 of one end of design metal collapsible tube, design metal collapsible tube's the other end and shower nozzle 2 fixed connection, and it can be understood, utilizes the arbitrary crooked characteristic of not kick-backing of design metal collapsible tube, realizes the manual regulation to the dust remover spray direction, and is with low costs and easy operation convenient.
In some embodiments, the adjusting member 3 includes a base plate, a motor and an angle sensor, the base plate is fixedly disposed on the top of the air duct 1, a first rotating shaft and a second rotating shaft are fixedly disposed on two sides of the nozzle 2, the first rotating shaft and the second rotating shaft are both rotatably disposed on the base plate, axial directions of the first rotating shaft and the second rotating shaft are both perpendicular to an air direction of the air duct 1, the motor is fixedly disposed on the base plate, an output shaft of the motor is coaxially and fixedly connected with the first rotating shaft, the angle sensor is fixedly disposed on the base plate, a detection shaft of the angle sensor is coaxially and fixedly connected with the second rotating shaft, and the controller 7 is electrically connected with the motor and the angle sensor, respectively.
It can be understood that angle sensor converts the turned angle signal of shower nozzle 2 into the signal of telecommunication and sends controller 7, and controller 7 sends the signal of telecommunication to the motor according to the turned angle of shower nozzle 2 to the output shaft of control motor rotates, and the motor drives shower nozzle 2 and rotates, realizes the dust remover and sprays the accurate regulation of direction, and whole degree of automation is higher, does benefit to the unmanned dust removal that realizes in the wind channel 1.
In some embodiments, the hydraulic source includes a liquid storage tank 8 and a power pump 9, the liquid storage tank 8 is fixedly disposed in the air duct 1, the liquid storage tank 8 is filled with a dedusting agent, a liquid inlet of the power pump 9 is communicated with a liquid outlet of the liquid storage tank 8, a liquid outlet of the power pump 9 is communicated with a liquid inlet of the flow meter 4, a liquid outlet of the flow meter 4 is communicated with a liquid inlet of the spray head 2, and the controller 7 is electrically connected with the flow meter 4 and the power pump 9, it can be understood that the controller 7 controls the power pump 9 to be turned on, the power pump 9 pressurizes the dedusting agent in the liquid storage tank 8 and then conveys the spray head 2 to realize spraying of the dedusting agent by the spray head 2, and when the spray head 2 sprays the dedusting agent, the controller 7 controls the flow meter 4 according to the wind speed and the particle size of the mine dust, so as to realize adjustment of the spraying amount of the dedusting agent.
As shown in fig. 1, based on the dust removal device, an embodiment of the present application provides a coal mine dust removal method, including:
s1: obtaining the particle size of mine dust in the air duct 1;
s2: dividing the air duct 1 into a plurality of dust falling sections along the wind direction according to the particle size of mine dust;
s3: acquiring the wind speed in the dust settling section;
s4: and spraying a dedusting agent into the dust falling section, and adjusting the spraying direction and the spraying amount of the dedusting agent according to the wind speed and the particle size of the mine dust in the dust falling section so as to reduce the distance of the mine dust moving in the wind channel 1 along the wind direction.
It can be understood that the dust removal in the air channel 1 is realized by spraying the dust remover in the air channel 1, the diffusion of mine dust is avoided, the spraying direction and the spraying amount of the dust remover are adjusted by the air speed and the grain diameter of the mine dust, so that the dust remover can adapt to different air speeds and different grain diameters of the mine dust when being sprayed, the dust removal cost is reduced, and the dust removal quality and efficiency are effectively improved.
In some embodiments, step S1: obtaining the particle size of the mineral dust in the air duct 1 includes:
s11: be provided with a plurality of mineral dust particle size analysis appearance 6 along the wind direction in wind channel 1, it can be understood that can acquire the mineral dust particle size of many places in wind channel 1 fast through a plurality of mineral dust particle size analysis appearance 6 to improve the dust remover and spray the regulation efficiency of direction and spraying volume, and then improve holistic dust removal quality and efficiency.
In some embodiments, the plurality of dust particle size analyzers 6 are respectively fixed on the inner wall of the air duct 1 by means of bolt fixation, clamping fixation, and the like.
Or S12: set up a mineral dust particle size analyzer 6 in wind channel 1, and mineral dust particle size analyzer 6 removes along the wind direction, can understand that can obtain the mineral dust particle size of many places in the wind channel 1 through a mineral dust particle size analyzer 6, effectively reduced the dust removal cost in the wind channel 1.
In some embodiments, the mineral dust particle size analyzer 6 is fixedly arranged on a sliding seat, a roller is rotatably arranged at the lower end of the sliding seat, a motor is fixedly arranged on the sliding seat, the motor is in transmission connection with the roller, a track is fixedly arranged on the ground of the air duct 1 along the wind direction, and the roller is arranged in the track in a rolling manner, so that the mineral dust particle size analyzer 6 can reciprocate in the air duct 1 along the wind direction under the driving of the motor, and the detection of the particle sizes of a plurality of mineral dust particles in the air duct 1 is realized.
S13: the particle size of the mineral dust in the air duct 1 is detected by a mineral dust particle size analyzer 6.
In some embodiments, the steps S11 and S13 may be performed, or the steps S12 and S13 may be performed according to actual needs.
In some embodiments, step S2: divide wind channel 1 into a plurality of dust fall sections along the wind direction according to the mine dust particle size and include:
s21: dividing a section 1 of an air duct with the particle size of ore dust being more than 15 micrometers into a first dust falling section 11;
s22: dividing a section 1 of an air duct with the particle size of mine dust not more than 15 microns and not less than 5 microns into a second dust falling section 12;
s23: and dividing the section 1 of the air duct with the particle size of the mine dust being less than 5 micrometers into a third dust falling section 13.
It can be understood that first dust fall section 11, second dust fall section 12 and third dust fall section 13 set gradually along the wind direction in wind channel 1, realize the tertiary dust fall in wind channel 1, all have corresponding dust remover spray volume and spray the direction in first dust fall section 11, second dust fall section 12 and the third dust fall section 13 promptly, realize the dust removal in wind channel 1 when reducing the dust removal cost, effectively improved dust removal quality and efficiency.
In some embodiments, step S3: obtaining the wind speed in the dustfall section includes:
s31: the wind speed sensors 5 are respectively arranged in the dust fall sections;
s32: and acquiring the wind speed in the dust falling section through a wind speed sensor 5.
It can be understood that through the arrangement of the wind speed sensor 5, the acquisition of the wind speed in the multiple dustfall sections is realized.
In some embodiments, the wind speed sensor 5 is fixedly disposed on the inner wall of the wind tunnel 1 by means of bolt fastening, clip fastening, or the like.
In some embodiments, the spraying of the dedusting agent into the dustfall section in step S4 includes:
s41: a spray head 2 is arranged in the dust settling section;
s42: connecting the spray head 2 with a hydraulic source;
s43: and the spray head 2 sprays the dedusting agent to the dust settling section through a hydraulic source.
It can be understood that the spraying of the dedusting agent in the dust settling section is realized by arranging the spray head 2 and the hydraulic source.
In some embodiments, the step S4, the adjusting the spraying direction and the spraying amount of the dedusting agent according to the wind speed and the mine dust particle size in the dustfall section comprises:
s44: an adjusting piece 3 is arranged on the spray head 2;
s45: the spraying direction of the dedusting agent is manually or automatically adjusted through the adjusting piece 3.
It can be understood that the adjustment of the dusting agent spraying angle is achieved by providing the adjustment member 3.
In some embodiments, the step S4, the adjusting the spraying direction and the spraying amount of the dedusting agent according to the wind speed and the mine dust particle size in the dustfall section comprises:
s46: a flow meter 4 is arranged between the spray head 2 and the hydraulic source;
s47: the amount of dust removing agent sprayed is adjusted by the flow meter 4.
It will be appreciated that the adjustment of the amount of dusting agent sprayed is achieved by the provision of the flow meter 4.
In some embodiments, the step S4, the adjusting the spraying direction and the spraying amount of the dedusting agent according to the wind speed and the mine dust particle size in the dustfall section comprises:
s48: the included angle between the spraying direction of the dust removing agent and the wind direction is not less than 90 degrees, and the included angle is in direct proportion to the wind speed and in direct proportion to the particle size of the mine dust in a first logic relation.
It can be understood that the included angle between the spraying direction of the dedusting agent and the wind direction is not less than 90 degrees, so that the dedusting agent exerts a force deviating from the wind direction on the mine dust when being sprayed, thereby offsetting the force of part of the mine dust moving along with the wind, further reducing the distance of the mine dust moving along with the wind in the air channel 1, and effectively improving the dedusting quality and efficiency;
moreover, as the wind speed in the wind channel 1 is larger, the force of the mine dust moving along with the wind in the wind channel 1 is also larger, the included angle is set to be in direct proportion to the wind speed, the larger the wind speed is, the larger the included angle between the spraying direction of the dedusting agent and the wind direction is, and the smaller the wind speed is, the smaller the included angle between the spraying direction of the dedusting agent and the wind direction is, so that the part of the force exerted by the dedusting agent on the mine dust to offset the force of the mine dust moving along with the wind is ensured, and the distance of the mine dust moving along with the wind in the wind channel 1 is further reduced;
meanwhile, because the ore dust with larger particle size is also heavier, and the inertia is also larger in the process of moving along with the wind in the air channel 1, the included angle is set to be in direct proportion to the particle size of the ore dust, so that the larger the particle size of the ore dust is, the larger the included angle between the spraying direction of the dedusting agent and the wind direction is, and the smaller the wind speed is, the smaller the included angle between the spraying direction of the dedusting agent and the wind direction is, thereby ensuring that the part of the force applied by the dedusting agent on the ore dust to move along with the wind is offset, and further reducing the distance of the ore dust moving along with the wind in the air channel 1.
In some embodiments, the dusting agent is sprayed at an angle of 90 ° to 135 ° to the direction of the wind.
In some embodiments, as shown in fig. 3, the angle θ 1 between the spraying direction of the dedusting agent and the wind direction is adjusted between 120 ° and 135 ° in the first dustfall section 11, the angle θ 2 between the spraying direction of the dedusting agent and the wind direction is adjusted between 105 ° and 120 ° in the second dustfall section 12, and the angle θ 3 between the spraying direction of the dedusting agent and the wind direction is adjusted between 90 ° and 105 ° in the third dustfall section 13.
S49: and adjusting the spraying direction of the dedusting agent according to the first logic relation.
It can be understood that through the first logic relation, the distance that the mine dust moves along with the wind in the air duct 1 is effectively reduced, and the dust removal quality and efficiency are improved.
S410: and setting a second logic relation that the spraying amount of the dedusting agent is in direct proportion to the wind speed and the spraying amount of the dedusting agent is in inverse proportion to the particle size of the mine dust.
It can be understood that, as the wind speed in the air duct 1 is larger, the force of the mine dust moving along with the wind in the air duct 1 is also larger, so that the spraying amount of the dedusting agent is set to be in direct proportion to the wind speed, the larger the wind speed is, the larger the spraying amount of the dedusting agent is, and the smaller the wind speed is, the smaller the spraying amount of the dedusting agent is, thereby ensuring that the part of the force exerted by the dedusting agent on the mine dust to offset the force of the mine dust moving along with the wind is counteracted, and further reducing the distance of the mine dust moving along with the wind in the air duct 1;
moreover, because the ore dust with larger particle size is also heavier, and the falling speed of the ore dust is higher in the process of moving along with the wind in the air duct 1, the spraying amount of the dust remover is set to be inversely proportional to the particle size of the ore dust, so that the larger the particle size of the ore dust is, the smaller the spraying amount of the dust remover is, and the smaller the particle size of the ore dust is, the larger the spraying amount of the dust remover is, thereby ensuring that the ore dust has higher falling speed and simultaneously reducing the spraying of the dust remover, and effectively reducing the dust removal cost of the air duct 1.
S411: and adjusting the spraying amount of the dedusting agent according to the second logic relation.
It can be understood that, through the second logical relation, the dust removal cost is reduced, the distance of mine dust moving along with the wind in the air duct 1 is effectively reduced, and the dust removal quality and efficiency are improved.
In some embodiments, the spray amount of dedusting agent is 20L/min to 30L/min.
In some embodiments, the amount of spray of dedusting agent V1 is adjusted between 20L/min and 24L/min in first dustfall section 11, the amount of spray of dedusting agent V2 is adjusted between 24L/min and 26L/min in second dustfall section 12, and the amount of spray of dedusting agent V3 is adjusted between 26L/min and 30L/min in third dustfall section 13.
It should be noted that, in the description of the present application, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, in the description of the present application, "a plurality" means two or more unless otherwise specified.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and the scope of the preferred embodiments of the present application includes other implementations in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present application.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.
Claims (10)
1. A coal mine dust removal method is characterized by comprising the following steps:
obtaining the particle size of mine dust in the air duct;
dividing the air duct into a plurality of dust falling sections along the wind direction according to the particle size of the mine dust;
acquiring the wind speed in the dust falling section;
and spraying a dedusting agent into the dust falling section, and adjusting the spraying direction and the spraying amount of the dedusting agent according to the wind speed and the particle size of the mine dust in the dust falling section so as to reduce the distance of the mine dust moving in the air channel along the wind direction.
2. The coal mine dust removal method of claim 1, wherein the adjusting of the spraying direction and the spraying amount of the dust removal agent according to the wind speed and the mine dust particle size in the dust fall section comprises:
setting an included angle between the spraying direction of the dedusting agent and the wind direction to be not less than 90 degrees, wherein the included angle is in direct proportion to the wind speed and the included angle is in direct proportion to the particle size of the mine dust in a first logic relation;
adjusting the spraying direction of the dedusting agent according to the first logic relation;
setting a second logic relation that the spraying amount of the dedusting agent is in direct proportion to the wind speed and the spraying amount of the dedusting agent is in inverse proportion to the particle size of the mine dust;
and adjusting the spraying amount of the dedusting agent according to the second logic relation.
3. The coal mine dust removal method of claim 2, wherein the dust removal agent is sprayed in an amount of 20L/min to 30L/min.
4. A coal mine dust removal method as claimed in claim 2, wherein the angle between the direction of spraying of the dust removal agent and the direction of the wind is between 90 ° and 135 °.
5. The coal mine dusting method of claim 2, wherein the spraying of the dedusting agent into the dustfall segment comprises:
a spray head is arranged in the dust settling section;
connecting the spray head with a hydraulic source;
and enabling the spray head to spray the dedusting agent to the dust settling section through the hydraulic source.
6. The coal mine dust removal method of claim 5, wherein the adjusting of the spraying direction and the spraying amount of the dust removal agent according to the wind speed and the mine dust particle size in the dust fall section comprises:
arranging an adjusting piece on the spray head;
the spraying direction of the dedusting agent is manually or automatically adjusted through the adjusting piece.
7. The coal mine dust removal method of claim 5, wherein the adjusting of the spraying direction and the spraying amount of the dust removal agent according to the wind speed and the mine dust particle size in the dust fall section comprises:
a flow meter is arranged between the spray head and the hydraulic source;
and adjusting the spraying amount of the dedusting agent through the flow meter.
8. A coal mine dust removal method as claimed in any one of claims 1 to 7, wherein said dividing the air duct into a plurality of dust fall sections in the wind direction according to the particle size of the mine dust comprises:
dividing an air duct section with the particle size of mine dust being more than 15 micrometers into a first dust falling section;
dividing an air duct section with the particle size of mine dust not greater than 15 micrometers and not less than 5 micrometers into a second dust falling section;
and dividing the air duct section with the particle size of the mine dust being less than 5 micrometers into a third dust falling section.
9. A coal mine dust removal method as claimed in any one of claims 1 to 7, wherein said obtaining the particle size of the mine dust in the air duct comprises:
a plurality of mine dust particle size analyzers are arranged in the air duct along the wind direction;
or a mineral dust particle size analyzer is arranged in the air duct and moves along the wind direction;
and detecting the particle size of the mineral dust in the air duct by the mineral dust particle size analyzer.
10. A coal mine dust removal method as claimed in any one of claims 1 to 7, wherein said obtaining the wind speed within the dustfall segment comprises:
wind speed sensors are respectively arranged in the dust falling sections;
and acquiring the wind speed in the dust falling section through the wind speed sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111413368.7A CN114320433B (en) | 2021-11-25 | 2021-11-25 | Coal mine dust removing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111413368.7A CN114320433B (en) | 2021-11-25 | 2021-11-25 | Coal mine dust removing method |
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| CN114320433A true CN114320433A (en) | 2022-04-12 |
| CN114320433B CN114320433B (en) | 2023-10-03 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1100501A (en) * | 1964-05-12 | 1968-01-24 | Coal Industry Patents Ltd | Improvements relating to mining-dust suppression |
| US4369121A (en) * | 1981-06-18 | 1983-01-18 | Browning-Ferris Industries, Inc. | Method and composition for the control of dust |
| CN103758557A (en) * | 2014-01-29 | 2014-04-30 | 河北联合大学 | Mine dust grading combined dust fall method and device |
| CN109736802A (en) * | 2019-01-22 | 2019-05-10 | 滨州学院 | A kind of foam-water mist-air curtain three-level linkage dust falling system and dust-removing method |
| CN111437679A (en) * | 2020-04-07 | 2020-07-24 | 盐城摩因宝新材料有限公司 | Coal dust atmospheric particulate prevention and control dust fall and control dust control method and system |
-
2021
- 2021-11-25 CN CN202111413368.7A patent/CN114320433B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1100501A (en) * | 1964-05-12 | 1968-01-24 | Coal Industry Patents Ltd | Improvements relating to mining-dust suppression |
| US4369121A (en) * | 1981-06-18 | 1983-01-18 | Browning-Ferris Industries, Inc. | Method and composition for the control of dust |
| CN103758557A (en) * | 2014-01-29 | 2014-04-30 | 河北联合大学 | Mine dust grading combined dust fall method and device |
| CN109736802A (en) * | 2019-01-22 | 2019-05-10 | 滨州学院 | A kind of foam-water mist-air curtain three-level linkage dust falling system and dust-removing method |
| CN111437679A (en) * | 2020-04-07 | 2020-07-24 | 盐城摩因宝新材料有限公司 | Coal dust atmospheric particulate prevention and control dust fall and control dust control method and system |
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| Publication number | Publication date |
|---|---|
| CN114320433B (en) | 2023-10-03 |
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